GeForce GT 645M vs GeForce GTX 1650

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

GeForce GT 645M vs GeForce GTX 1650 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce GT 645M vs GeForce GTX 1650: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce GT 645M

2012

Why buy it

✅Draws 32W instead of 75W, a 43W reduction.

Trade-offs

❌Lower average FPS than GeForce GTX 1650 across 50 tracked games in our benchmark data.
❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌Lower G3D Mark per dollar, at 0 vs 52.8 G3D/$ (Unknown MSRP vs $149 MSRP).

GeForce GTX 1650

2019

Why buy it

✅680.9% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 52.8 vs 0 G3D/$ ($149 MSRP vs Unknown MSRP).
✅100% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).
✅GeForce GT 645M is already obsolete for modern gaming, so GeForce GTX 1650 is the less risky modern option long term.

Trade-offs

❌Older hardware, 4 GB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
❌134.4% higher power demand at 75W vs 32W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce GTX 1650 is the faster gaming card right now. In our data, it leads by 680.9% in average FPS across 50 tracked games in our benchmark data and by 732.7% in PassMark G3D (7,869 vs 945), so the answer here is pretty clean.

Which GPU is the safer long-term pick for 2026 and beyond?

GeForce GTX 1650 is the safer long-term pick for 2026 and beyond. The case is simple: 4 GB vs 2 GB of VRAM, a 12nm process instead of 28nm, and a newer 2019 generation instead of 2012. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

GeForce GTX 1650 makes the most sense today based on the pricing and value data we have for this matchup.

GeForce GT 645M vs GeForce GTX 1650 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GT 645M

The GeForce GT 645M is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 945 points.

GeForce GTX 1650

The GeForce GTX 1650 is manufactured by NVIDIA. It was released in April 23 2019. It features the Turing architecture. The core clock ranges from 1485 MHz to 1665 MHz. It has 896 shading units. The thermal design power (TDP) is 75W. Manufactured using 12 nm process technology. G3D Mark benchmark score: 7,869 points. Launch price was $149.

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Graphics Performance

In G3D Mark, the GeForce GT 645M scores 945 versus the GeForce GTX 1650's 7,869 — the GeForce GTX 1650 leads by 732.7%. The GeForce GT 645M is built on Kepler while the GeForce GTX 1650 uses Turing, both on 28 nm vs 12 nm. Shader units: 384 (GeForce GT 645M) vs 896 (GeForce GTX 1650). Raw compute: 0.5445 TFLOPS (GeForce GT 645M) vs 2.984 TFLOPS (GeForce GTX 1650).

Feature	GeForce GT 645M	GeForce GTX 1650
G3D Mark Score	945	7,869+733%
Architecture	Kepler	Turing
Process Node	28 nm	12 nm
Shading Units	384	896+133%
Compute (TFLOPS)	0.5445 TFLOPS	2.984 TFLOPS+448%
ROPs	16	32+100%
TMUs	32	56+75%
L1 Cache	32 KB	896 KB+2700%
L2 Cache	0.25 MB	1 MB+300%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 645M	GeForce GTX 1650
Upscaling Tech	Upscaling support	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	NVIDIA Reflex

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Video Memory (VRAM)

The GeForce GT 645M has 2 GB of VRAM, while the GeForce GTX 1650 carries 4 GB. GeForce GTX 1650 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GT 645M and 128-bit on the GeForce GTX 1650. L2 Cache: 0.25 MB (GeForce GT 645M) vs 1 MB (GeForce GTX 1650) — the GeForce GTX 1650 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 645M	GeForce GTX 1650
VRAM Capacity	2 GB	4 GB+100%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	128 GB/s
Bus Width	128-bit	128-bit
L2 Cache	0.25 MB	1 MB+300%

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 645M) vs 12 (GeForce GTX 1650). Vulkan: 1.1 vs 1.4. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 3.

Feature	GeForce GT 645M	GeForce GTX 1650
DirectX	11.0	12+9%
Vulkan	1.1	1.4+27%
OpenGL	4.5	4.6+2%
Max Displays	1	3+200%

🎬

Media & Encoding

Hardware encoder: NVENC 1.0 (GeForce GT 645M) vs NVENC 5th gen (Volta) (GeForce GTX 1650). Decoder: PureVideo HD VP5 vs NVDEC 4th gen. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 645M) vs H.264,H.265/HEVC,VP8,VP9 (GeForce GTX 1650).

Feature	GeForce GT 645M	GeForce GTX 1650
Encoder	NVENC 1.0	NVENC 5th gen (Volta)
Decoder	PureVideo HD VP5	NVDEC 4th gen
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	H.264,H.265/HEVC,VP8,VP9

🔌

Power & Dimensions

The GeForce GT 645M draws 32W versus the GeForce GTX 1650's 75W — a 80.4% difference. The GeForce GT 645M is more power-efficient. Recommended PSU: 350W (GeForce GT 645M) vs 300W (GeForce GTX 1650). Power connectors: PCIe-powered vs None. Card length: 0mm vs 229mm, occupying 0 vs 2 slots. Typical load temperature: 70°C vs 70°C.

Feature	GeForce GT 645M	GeForce GTX 1650
TDP	32W-57%	75W
Recommended PSU	350W	300W-14%
Power Connector	PCIe-powered	None
Length	0mm	229mm
Height	0mm	111mm
Slots	0-100%	2
Temp (Load)	70°C	70°C
Perf/Watt	29.5	104.9+256%

💰

Value Analysis

The newer card here is GeForce GTX 1650 (2019 vs 2012).

Feature	GeForce GT 645M	GeForce GTX 1650
MSRP	—	$149
Codename	GK107	TU117
Release	October 1 2012	April 23 2019
Ranking	#903	#323

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